Doing the right thing on the right time is the key achieve what we wants. Similarly, we need to do the right thing at the right to recover or rebuild our body. In our Solor System, we on earth depends on Sun to suvrive. Ancest Chinese discover that the Sunshine do effect our body around the clock. They divide one day/night into 12 sections/hours or modern every 2 hours Clock .
Have a consistent regular daily living lifestyle
Enough rest, eat well with good deep sleep is the way to recover